kotlin-test: migrate multiplatform integration test to use common test module

libraries/tools/kotlin-maven-plugin-test/src/it/test-multiplatform/js/src/test/kotlin/org/jetbrains/TestUtilsImpl.kt

@@ -1,5 +0,0 @@
-package org.jetbrains
-
-impl fun assertEquals(a: String, b: String) {
-    kotlin.test.assertEquals(a, b)
-}

libraries/tools/kotlin-maven-plugin-test/src/it/test-multiplatform/jvm/pom.xml

@@ -24,6 +24,12 @@
             <artifactId>test-multimodule-shared</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-test-junit</artifactId>
+            <version>${kotlin.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

libraries/tools/kotlin-maven-plugin-test/src/it/test-multiplatform/jvm/src/test/kotlin/org/jetbrains/TestUtilsImpl.kt

@@ -1,7 +0,0 @@
-package org.jetbrains
-
-import org.junit.*
-
-impl fun assertEquals(a: String, b: String) {
-    Assert.assertEquals(a, b)
-}

libraries/tools/kotlin-maven-plugin-test/src/it/test-multiplatform/shared/pom.xml

@@ -19,6 +19,12 @@
             <artifactId>kotlin-stdlib-common</artifactId>
             <version>${kotlin.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-test-common</artifactId>
+            <version>${kotlin.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

libraries/tools/kotlin-maven-plugin-test/src/it/test-multiplatform/shared/src/test/kotlin/org/jetbrains/SharedTest.kt

@@ -1,10 +1,11 @@
 package org.jetbrains
 
 import org.junit.*
+import kotlin.test.*
 
 open class SharedTest {
     @Test
     fun test0() {
         assertEquals("Hello, World!", getGreeting())
     }
-}
+}

libraries/tools/kotlin-maven-plugin-test/src/it/test-multiplatform/shared/src/test/kotlin/org/jetbrains/TestUtils.kt

@@ -1,3 +0,0 @@
-package org.jetbrains
-
-header fun assertEquals(a: String, b: String)

libraries/tools/kotlin-maven-plugin-test/src/it/test-multiplatform/shared/src/test/kotlin/org/junit/Test.kt

@@ -1,4 +0,0 @@
-package org.junit
-
-@Suppress("HEADER_WITHOUT_IMPLEMENTATION")
-header annotation class Test